Trebor Purus 20

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Trebor Purus 20

Purus 20 diaphragm pump offers a unique solution to the constant maintenance or rebuilding of existing chemical pumps currently available on the market. With a revolutionary injection molded PFA design, Trebor® has created an ultrapure pump utilizing proven components with minimal parts. This manufacturing approach has created a reliable, leak proof, disposable pump that costs less than most competitors’ rebuild kits while providing you with the utmost in purity and exceptional performance. This pump can be externally controlled or installed as a self-contained unit using Trebor’s PC7 air-powered pump controller that mounts on the Purus 20. The Purus 20 is constructed entirely of PFA and PTFE, and includes no elastomers or metal parts for maximum purity and chemical compatibility.

  • Handles chemical temperatures up to 120°C
  • Up to 551.6 kPa (gauge) operating air supply pressure
  • Flow capacity up to 5.3 gpm (20 lpm)
  • Operating life exceeding 100 million cycles in most applications
  • Longer stroke for excellent suction life and priming capability
  • Optional fiber optic leak detection
  • Runs on clean dry air (CDA) or inert gas
  • 1-Year free replacement warranty


  • No elastomer seals or gaskets to break down or replace
  • No metal parts to corrode or contaminate your process
  • Leak proof, welded assembly
  • Extremely compact size
  • 100% PFA/PTFE construction for the ultimate chemical compatibility and process purity
  • FM4910 compliant
  • Cleaned, assembled and packaged in Class 1000 cleanroom
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